The EX Series Card-Based I/O System Significantly Enhances the Reliability of Industrial Control Systems

The EX series card-based I/O system is a modular industrial automation device, typically used for signal acquisition, control, and communication. Its modular design allows for flexible configuration and expansion. Below are the functions and system characteristics of each core component: 1. Adapter Module – Function: Acts as the communication hub of the system, responsible for … Read more

Detailed Explanation of RS232 Circuit Design

1. RS-232 is a serial communication interface standard, originally established by the Electronic Industries Association (EIA) in the 1960s, aimed at providing a standardized communication interface for computers and their peripheral devices. With the continuous development of computer technology, the RS-232 interface has been widely used and has become one of the most common communication … Read more

Ansible: From Beginner to Abandonment (Part 11)

Module Option Query Instructions Current Ansible Version [root@awx-1 ansible]# ansible –version ansible [core 2.16.3] config file = /root/ansible/ansible.cfg configured module search path = ['/root/.ansible/plugins/modules', '/usr/share/ansible/plugins/modules'] ansible python module location = /usr/lib/python3.12/site-packages/ansible ansible collection location = /root/.ansible/collections:/usr/share/ansible/collections executable location = /usr/bin/ansible python version = 3.12.8 (main, Dec 12 2024, 16:30:29) [GCC 8.5.0 20210514 (Red Hat 8.5.0-22)] … Read more

Requests: A Super Simple HTTP Request Library for Python!

▼ Click the card below to follow me ▲ Click the card above to follow me Requests: The Donut of HTTP Requests! Making network requests is as easy as ordering takeout? The Requests library is your delicious delivery rider! This library allows you to easily handle various network data retrievals, saying goodbye to cumbersome network … Read more

Requests: A Super Simple HTTP Request Library for Python!

▼ Click the card below to follow me ▲ Click the card above to follow me Requests: Making Network Requests So Easy! In the vast world of Python network programming, there is a library that makes HTTP requests as easy as pie. That’s right, I’m talking about Requests! Want to elegantly fetch web data, simulate … Read more

An Introduction to Ruby Network Programming: Implementing Simple HTTP Requests

An Introduction to Ruby Network Programming: Implementing Simple HTTP Requests In modern software development, network programming is an indispensable part. Whether building web applications, APIs, or performing data scraping, understanding how to send and receive HTTP requests is very important. In this article, we will use Ruby to implement simple HTTP requests. What is HTTP? … Read more

Implementing a Simple HTTP Proxy in Golang

This article provides a detailed introduction to implementing an HTTP proxy using Golang. Those who have a need in practical applications can learn from it! A proxy is an important function in networking, serving to retrieve network information on behalf of network users. Figuratively speaking, it acts as a transfer station for network information. For … Read more

Httpx: The Amazing HTTP Client Library for Python!

In the internet age, network requests are like the daily “breath” of programmers. Whether it’s web scraping, API calls, or data interaction, we always need to deal with HTTP. Today, I want to introduce you to a super cool Python library—Httpx, which makes network requests so simple that you’ll scream! Getting to Know Httpx: A … Read more